This is a great leg workout you can do at home or at the gym. Chair-sits is simple workout that helps exercise your leg muscles. All you need for this workout is a wall! To execute this workout all you have to is sit in an invisible chair! Make sure you have your legs bent at a 90-degree angle, leaving your arms in front of you, on the sides of your legs, or on the top of your head. Below is an image of how the exercise should look. Good luck!
The Fabulous Athletics 